package com.summer.service;

import com.summer.handler.UserServiceHandler;
import com.sunmmer.service.IUserService;
import com.sunmmer.service.JSONSerializer;
import com.sunmmer.service.RpcDecoder;
import com.sunmmer.service.RpcRequest;
import io.netty.bootstrap.ServerBootstrap;
import io.netty.channel.ChannelFuture;
import io.netty.channel.ChannelInitializer;
import io.netty.channel.ChannelPipeline;
import io.netty.channel.nio.NioEventLoopGroup;
import io.netty.channel.socket.nio.NioServerSocketChannel;
import io.netty.channel.socket.nio.NioSocketChannel;
import io.netty.handler.codec.string.StringDecoder;
import io.netty.handler.codec.string.StringEncoder;


public class UserServiceImpl implements IUserService {

    //将来客户端要远程调用的方法
    public String sayHello(String msg) {
        System.out.println("are you ok?" + msg);
        return "success";
    }

    //
    public static void startServer(String ip, int port) throws InterruptedException {
        //创建两个线程池对象
        NioEventLoopGroup bossGroup = new NioEventLoopGroup();
        NioEventLoopGroup workGroup = new NioEventLoopGroup();

        //2、创建服务的启动引导对象
        ServerBootstrap serverBootstrap = new ServerBootstrap();

        //3、配置启动引导对象
        serverBootstrap.group(bossGroup,workGroup)
                //设置通过为NIO
                .channel(NioServerSocketChannel.class)
                //创建监听channel
                .childHandler(new ChannelInitializer<NioSocketChannel>() {
                    protected void initChannel(NioSocketChannel nioSocketChannel) throws Exception {
                        //获取管道对象
                        ChannelPipeline pipeline = nioSocketChannel.pipeline();
                        //设置编码
                        pipeline.addLast(new StringEncoder());
                        pipeline.addLast(new RpcDecoder(RpcRequest.class,new JSONSerializer()));

                        //把我们自定义到channerhandler添加到通道中
                        pipeline.addLast(new UserServiceHandler());
                    }
                });

        //4、绑定端口
        ChannelFuture sync = serverBootstrap.bind(8999).sync();


    }
}
